Malicious PDF — malware analysis report

Static analysis result for SHA-256 445e26f86fe707d5…

MALICIOUS

PDF

118.3 KB Created: 2021-07-01 20:00:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-07
MD5: c2c4091fd3ba61a17ce6277087e44e70 SHA-1: 8a060da0c5f60504968f624eb55a473187b2d79b SHA-256: 445e26f86fe707d58122b353c90ee0adfe1689e3c6d47498fea65176f4f18d07
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9940

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://crewmak.ru/uplcv?utm_term=business+a+changing+world+8th+edition+pdf PDF link annotation
    • http://sattosushi.com/uploads/files/wokunanulowexi.pdfIn PDF document text
    • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16091a5dda8de7---fabap.pdfIn PDF document text
    • https://bibonatura.hu/ckfinder/userfiles/files/mumovigudijurovavoxulo.pdfIn PDF document text
    • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/180d3756d05557df206bdeb25cec68be/wubotuwupidazuzakuji.pdfIn PDF document text
    • https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc1b91cd4a---defifalufomozuderuvakule.pdfIn PDF document text
    • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/1025481d575df935091e04bcb61b65aa/fazisatutag.pdfIn PDF document text
    • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a361e56df0c---lapewujiritusoravo.pdfIn PDF document text
    • http://kfbi.ru/content/file/vidurokuzofeb.pdfIn PDF document text
    • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/1e106229bc2a728253ace65d6b6b856c/98387282824.pdfIn PDF document text
    • https://nhachoxebus.com/upload/fck/file/31967766043.pdfIn PDF document text
    • http://amexeuro.com/an3_Uploads/file/23245281801.pdfIn PDF document text
    • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b18a49b756---kazuvogu.pdfIn PDF document text
    • http://serdceprirody.ru/userfiles/file/69076297783.pdfIn PDF document text
    • https://xanbiente.de/userfiles/file/88088246236.pdfIn PDF document text
    • http://logiccpacma.com/ckfinder/userfiles/files/80942320431.pdfIn PDF document text
    • http://akicgiyim.com/userfiles/file/48742623976.pdfIn PDF document text
    • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c983f6997d1---83122705094.pdfIn PDF document text
    • https://satuldelut.ro/ckfinder/userfiles/files/pijiwuva.pdfIn PDF document text
    • http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/o9pb1d18lghmgrvmqp0vr3p663/51750492941.pdfIn PDF document text
    • http://vuatoyen.com/uploads/userfiles/file/38003784008.pdfIn PDF document text
    • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16080e43531d93---fonowalelavitasek.pdfIn PDF document text
    • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/9857e0635873828c81aec74538db2c0b/12783225516.pdfIn PDF document text
    • http://st-ark.it/userfiles/files/26038773133.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00016949.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16949 11344 bytes
SHA-256: 52dc4027f5880eafd46116ca4ed17284e01607c431c04aaae1dcb0d4e89e97ef
font_01_sfnt_off000183d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x183D9 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00019beb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19BEB 17968 bytes
SHA-256: 93bcaf16055a37d8c584d588c2d4d89a2adb2c5ac5c338cc9323cc65d4310e20